CN2823749Y - 新型单层防腐保温配重管 - Google Patents
新型单层防腐保温配重管 Download PDFInfo
- Publication number
- CN2823749Y CN2823749Y CN 200520026469 CN200520026469U CN2823749Y CN 2823749 Y CN2823749 Y CN 2823749Y CN 200520026469 CN200520026469 CN 200520026469 CN 200520026469 U CN200520026469 U CN 200520026469U CN 2823749 Y CN2823749 Y CN 2823749Y
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- Prior art keywords
- layer
- counterweight
- heat insulating
- thermal insulation
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520026469 CN2823749Y (zh) | 2005-06-30 | 2005-06-30 | 新型单层防腐保温配重管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520026469 CN2823749Y (zh) | 2005-06-30 | 2005-06-30 | 新型单层防腐保温配重管 |
Publications (1)
Publication Number | Publication Date |
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CN2823749Y true CN2823749Y (zh) | 2006-10-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200520026469 Expired - Lifetime CN2823749Y (zh) | 2005-06-30 | 2005-06-30 | 新型单层防腐保温配重管 |
Country Status (1)
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CN (1) | CN2823749Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101876392A (zh) * | 2010-06-18 | 2010-11-03 | 中国海洋石油总公司 | 海底输油单层保温管接头及其处理方法 |
CN106287002A (zh) * | 2016-09-21 | 2017-01-04 | 成都启立辰智科技有限公司 | 一种混凝土管 |
-
2005
- 2005-06-30 CN CN 200520026469 patent/CN2823749Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101876392A (zh) * | 2010-06-18 | 2010-11-03 | 中国海洋石油总公司 | 海底输油单层保温管接头及其处理方法 |
CN101876392B (zh) * | 2010-06-18 | 2011-11-02 | 中国海洋石油总公司 | 海底输油单层保温管接头及其处理方法 |
CN106287002A (zh) * | 2016-09-21 | 2017-01-04 | 成都启立辰智科技有限公司 | 一种混凝土管 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CNOOC ENERGY TECHNOLOGY + SERVICES LIMITED Free format text: FORMER OWNER: OILFIELD CONSTRUCTION ENGINEERING BRANCH COMPANY OF CHINA NATIONAL OFFSHORE OIL BASE CO., LTD. |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100027 DONGCHENG, BEIJING TO: 100016 DONGCHENG, BEIJING |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110929 Address after: 100016, CNOOC building, No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China National Offshore Oil Corporation Address before: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Co-patentee before: CNOOC Oilfield Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
CX01 | Expiry of patent term |
Expiration termination date: 20150630 Granted publication date: 20061004 |
|
EXPY | Termination of patent right or utility model |